/* =======================================================
   FireUp - Main Stylesheet
   Dark mode, fire/orange-red gaming theme, glassmorphism
   ======================================================= */

:root {
    --bg-black: #0a0605;
    --bg-black-2: #120a08;
    --fire-orange: #ff6a1a;
    --fire-red: #ff2d2d;
    --fire-yellow: #ffb400;
    --glass-bg: rgba(30, 18, 14, 0.55);
    --glass-border: rgba(255, 106, 26, 0.25);
    --text-main: #f5efe9;
    --text-dim: #b7a89f;
    --radius: 16px;
    --shadow-fire: 0 0 25px rgba(255, 90, 20, 0.35);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: radial-gradient(ellipse at top, #1a0d08 0%, var(--bg-black) 60%);
    color: var(--text-main);
    font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
    overflow-x: hidden;
}

a { color: var(--fire-orange); text-decoration: none; }
a:hover { color: var(--fire-yellow); }

/* ---------------- Navbar ---------------- */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 40px;
    background: rgba(10, 6, 5, 0.75);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.brand {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(90deg, var(--fire-yellow), var(--fire-orange), var(--fire-red));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-links { display: flex; gap: 22px; align-items: center; }

.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-fire {
    background: linear-gradient(135deg, var(--fire-orange), var(--fire-red));
    color: #fff;
    box-shadow: var(--shadow-fire);
}
.btn-fire:hover { transform: translateY(-2px); box-shadow: 0 0 35px rgba(255, 90, 20, 0.55); color: #fff; }

.btn-ghost {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-main);
}
.btn-ghost:hover { border-color: var(--fire-orange); color: var(--fire-orange); }

/* ---------------- Glass card ---------------- */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(14px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    padding: 32px;
}

/* ---------------- Hero ---------------- */
.hero {
    text-align: center;
    padding: 70px 20px 30px;
}
.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 8px;
    background: linear-gradient(90deg, var(--fire-yellow), var(--fire-orange), var(--fire-red));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero p { color: var(--text-dim); font-size: 1.1rem; }

/* ---------------- Upload Zone ---------------- */
.upload-wrap { max-width: 720px; margin: 0 auto; padding: 20px; }

.dropzone {
    border: 2px dashed var(--glass-border);
    border-radius: var(--radius);
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
    background: var(--glass-bg);
}
.dropzone.dragover {
    border-color: var(--fire-orange);
    background: rgba(255, 106, 26, 0.08);
}
.dropzone .icon { font-size: 3rem; margin-bottom: 10px; }
.dropzone p { color: var(--text-dim); margin: 4px 0; }
.dropzone input[type=file] { display: none; }

.expiry-row {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 18px;
}
.expiry-chip {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-dim);
    transition: all 0.15s ease;
}
.expiry-chip.active, .expiry-chip:hover {
    border-color: var(--fire-orange);
    color: var(--fire-orange);
    background: rgba(255, 106, 26, 0.08);
}

/* ---------------- Progress ---------------- */
.upload-item {
    margin-top: 18px;
    padding: 16px;
    border-radius: 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
}
.upload-item-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: var(--text-dim);
}
.progress-bar-bg {
    height: 10px;
    border-radius: 6px;
    background: rgba(255,255,255,0.06);
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--fire-yellow), var(--fire-orange), var(--fire-red));
    transition: width 0.2s ease;
}
.upload-meta { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-dim); margin-top: 6px; }

/* ---------------- Result card ---------------- */
.result-card {
    margin-top: 18px;
    padding: 20px;
    border-radius: 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}
.result-card .qr { width: 90px; height: 90px; border-radius: 8px; background: #fff; padding: 4px; }
.result-info { flex: 1; min-width: 200px; }
.result-info h4 { margin: 0 0 6px; }
.result-info small { color: var(--text-dim); }
.result-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.link-box {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}
.link-box input {
    flex: 1;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 8px 10px;
    color: var(--text-main);
    font-size: 0.85rem;
}

/* ---------------- Forms ---------------- */
.form-wrap { max-width: 420px; margin: 60px auto; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 0.9rem; color: var(--text-dim); }
.form-group input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.3);
    color: var(--text-main);
    font-size: 0.95rem;
}
.form-group input:focus { outline: none; border-color: var(--fire-orange); }
.form-error {
    background: rgba(255, 45, 45, 0.12);
    border: 1px solid rgba(255, 45, 45, 0.4);
    color: #ffb1b1;
    padding: 10px 14px;
    border-radius: 10px;
    margin-bottom: 14px;
    font-size: 0.9rem;
}
.form-success {
    background: rgba(60, 200, 100, 0.12);
    border: 1px solid rgba(60, 200, 100, 0.4);
    color: #b6f2c9;
    padding: 10px 14px;
    border-radius: 10px;
    margin-bottom: 14px;
    font-size: 0.9rem;
}

/* ---------------- Footer ---------------- */
footer {
    text-align: center;
    padding: 30px;
    color: var(--text-dim);
    font-size: 0.85rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 60px;
}

/* ---------------- Utility ---------------- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.hidden { display: none !important; }

@media (max-width: 640px) {
    .navbar { padding: 14px 18px; }
    .hero h1 { font-size: 2rem; }
    .dropzone { padding: 40px 14px; }
}